About the Authors

Alberto Acerbi

alberto.acerbi@gmail.com

Affiliation Centre for the Study of Cultural Evolution, University of Stockholm, Stockholm, Sweden

Stefano Ghirlanda

Affiliations Centre for the Study of Cultural Evolution, University of Stockholm, Stockholm, Sweden, Honors Academy and Department of Psychology, Brooklyn College, Brooklyn, New York, United States of America

Magnus Enquist

Affiliations Centre for the Study of Cultural Evolution, University of Stockholm, Stockholm, Sweden, Department of Zoology, University of Stockholm, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AA SG ME. Analyzed the data: AA SG. Wrote the paper: AA SG ME. Realized the models: AA SG ME.